Preface |
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vii | |
Introduction |
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xiii | |
Common Notational Conventions |
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xix | |
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1 | (16) |
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1.1 The Cauchy Problem for a Vibrating Infinite String |
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1 | (2) |
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3 | (5) |
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1.3 The Spaces ε(Ω) and D(Ω) |
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8 | (5) |
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1.4 Additional Exercises for Chap. 1 |
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13 | (4) |
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2 The Space D'(Ω) of Distributions |
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17 | (72) |
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2.1 The Definition of Distributions |
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17 | (8) |
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2.2 The Topological Vector Space D'(Ω) |
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25 | (2) |
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2.3 Multiplication of a Distribution with a C∞ Function |
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27 | (2) |
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2.4 Distributional Derivatives |
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29 | (5) |
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2.5 The Support of a Distribution |
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34 | (3) |
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2.6 Compactly Supported Distributions and the Space ε'(Ω) |
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37 | (11) |
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2.7 Tensor Product of Distributions |
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48 | (11) |
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2.8 The Convolution of Distributions in Rn |
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59 | (13) |
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2.9 Distributions with Higher-Order Gradients Continuous or Bounded |
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72 | (8) |
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2.10 Additional Exercises for Chap. 2 |
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80 | (9) |
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3 The Schwartz Space and the Fourier Transform |
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89 | (20) |
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3.1 The Schwartz Space of Rapidly Decreasing Functions |
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89 | (10) |
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3.2 The Action of the Fourier Transform on the Schwartz Class |
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99 | (7) |
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3.3 Additional Exercises for Chap. 3 |
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106 | (3) |
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4 The Space of Tempered Distributions |
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109 | (80) |
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4.1 Definition and Properties of Tempered Distributions |
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109 | (10) |
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4.2 The Fourier Transform Acting on Tempered Distributions |
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119 | (10) |
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4.3 Homogeneous Distributions |
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129 | (6) |
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4.4 Principal Value Tempered Distributions |
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135 | (6) |
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4.5 The Fourier Transform of Principal Value Distributions |
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141 | (5) |
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4.6 Tempered Distributions Associated with [ x]-n |
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146 | (5) |
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4.7 A General Jump-Formula in the Class of Tempered Distributions |
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151 | (11) |
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4.8 The Harmonic Poisson Kernel |
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162 | (5) |
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4.9 Singular Integral Operators |
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167 | (8) |
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4.10 Derivatives of Volume Potentials |
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175 | (9) |
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4.11 Additional Exercises for Chap. 4 |
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184 | (5) |
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5 The Concept of a Fundamental Solution |
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189 | (12) |
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5.1 Constant Coefficient Linear Differential Operators |
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189 | (2) |
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5.2 A First Look at Fundamental Solutions |
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191 | (4) |
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5.3 The Malgrange-Ehrenpreis Theorem |
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195 | (5) |
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5.4 Additional Exercises for Chap. 5 |
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200 | (1) |
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201 | (16) |
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6.1 Definition and Properties |
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201 | (2) |
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6.2 Hypoelliptic Operators with Constant Coefficients |
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203 | (7) |
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6.3 Integral Representation Formulas and Interior Estimates |
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210 | (6) |
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6.4 Additional Exercises for Chap. 6 |
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216 | (1) |
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7 The Laplacian and Related Operators |
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217 | (60) |
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7.1 Fundamental Solutions for the Laplace Operator |
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217 | (6) |
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7.2 The Poisson Equation and Layer Potential Representation Formulas |
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223 | (10) |
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7.3 Fundamental Solutions for the Bi-Laplacian |
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233 | (4) |
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7.4 The Poisson Equation for the Bi-Laplacian |
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237 | (3) |
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7.5 Fundamental Solutions for the Poly-Harmonic Operator |
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240 | (8) |
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7.6 Fundamental Solutions for the Cauchy-Riemann Operator |
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248 | (5) |
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7.7 Fundamental Solutions for the Dirac Operator |
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253 | (7) |
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7.8 Fundamental Solutions for General Second-Order Operators |
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260 | (11) |
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7.9 Layer Potential Representation Formulas Revisited |
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271 | (3) |
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7.10 Additional Exercises for Chap. 7 |
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274 | (3) |
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8 The Heat Operator and Related Versions |
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277 | (12) |
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8.1 Fundamental Solutions for the Heat Operator |
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277 | (3) |
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8.2 The Generalized Cauchy Problem for the Heat Operator |
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280 | (2) |
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8.3 Fundamental Solutions for General Second Order Parabolic Operators |
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282 | (5) |
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8.4 Fundamental Solution for the Schrodinger Operator |
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287 | (2) |
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289 | (20) |
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9.1 Fundamental Solution for the Wave Operator |
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289 | (18) |
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9.2 The Generalized Cauchy Problem for the Wave Operator |
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307 | (1) |
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9.3 Additional Exercises for Chap. 9 |
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308 | (1) |
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10 The Lame and Stokes Operators |
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309 | (32) |
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10.1 General Remarks About Vector and Matrix Distributions |
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309 | (5) |
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10.2 Fundamental Solutions and Regularity for General Systems |
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314 | (5) |
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10.3 Fundamental Solutions for the Lame Operator |
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319 | (7) |
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10.4 Mean Value Formulas and Interior Estimates for the Lame Operator |
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326 | (6) |
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10.5 The Poisson Equation for the Lame Operator |
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332 | (2) |
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10.6 Fundamental Solutions for the Stokes Operator |
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334 | (4) |
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10.7 Additional Exercises for Chap. 10 |
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338 | (3) |
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11 More on Fundamental Solutions for Systems |
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341 | (34) |
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11.1 Computing a Fundamental Solution for the Lame Operator |
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341 | (2) |
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11.2 Computing a Fundamental Solution for the Stokes Operator |
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343 | (1) |
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11.3 Fundamental Solutions for Higher-Order Systems |
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344 | (12) |
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11.4 Interior Estimates and Real-Analyticity for Null-Solutions of Systems |
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356 | (5) |
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11.5 Reverse Holder Estimates for Null-Solutions of Systems |
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361 | (4) |
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11.6 Layer Potentials and Jump Relations for Systems |
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365 | (8) |
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11.7 Additional Exercises for Chap. 11 |
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373 | (2) |
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12 Solutions to Selected Exercises |
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375 | (40) |
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12.1 Solutions to Exercises from Sect. 1.4 |
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375 | (6) |
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12.2 Solutions to Exercises from Sect. 2.10 |
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381 | (16) |
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12.3 Solutions to Exercises from Sect. 3.3 |
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397 | (3) |
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12.4 Solutions to Exercises from Sect. 4.11 |
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400 | (7) |
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12.5 Solutions to Exercises from Sect. 5.4 |
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407 | (1) |
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12.6 Solutions to Exercises from Sect. 6.4 |
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408 | (1) |
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12.7 Solutions to Exercises from Sect. 7.10 |
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409 | (4) |
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12.8 Solutions to Exercises from Sect. 9.3 |
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413 | (1) |
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12.9 Solutions to Exercises from Sect. 10.7 |
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413 | (1) |
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12.10 Solutions to Exercises from Sect. 11.7 |
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414 | (1) |
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415 | (34) |
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13.1 Summary of Topological and Functional Analytic |
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415 | (9) |
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13.2 Summary of Basic Results from Calculus, Measure Theory, and Topology |
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424 | (4) |
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13.3 Custom-Designing Smooth Cut-Off Functions |
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428 | (1) |
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429 | (5) |
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13.5 The Gamma and Beta Functions |
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434 | (1) |
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13.6 Surfaces in Rn and Surface Integrals |
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435 | (2) |
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13.7 Integration by Parts and Green's Formula |
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437 | (1) |
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13.8 Polar Coordinates and Integrals on Spheres |
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437 | (8) |
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13.9 Tables of Fourier Transforms |
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445 | (4) |
Bibliography |
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449 | (6) |
Subject Index |
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455 | (4) |
Symbol Index |
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459 | |